During an inspection, it is most important to check your tank vehicle for: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question During an inspection, it is most important to check your tank vehicle for: Answers Leaks. Rust. A license plate. Tires. Explanation When inspecting any style of tank, the most important thing for a driver to check for is leaks. Transporting any type of gas or liquid in a leaking tank is illegal. This questions appears in the following tests: Delaware Tank Mississippi Tank Mississippi Tank New Hampshire Tank